LOINC
Version 2.68

24339-4Gas panel - Venous bloodActive

Term Description

Knowing the concentration of inspired O2 is important to the interpretation of PO2 results. Inspired O2 can be recorded in two ways- as percent- of O2 delivered to the patient (Venturi mask, re-breather mask, or ventilator) or as liters of oxygen per minute (nasal canula). This panel includes terms for recording the inspired O2 in either fashion. But because only one will apply and labs do not always receive this information they are designated as optional.

The term "oxygen saturation" is often used to refer to two distinctly different quantities, hemoglobin oxygen saturation (recommended symbol = sO2) and fractional oxyhemoglobin (recommended symbol = FO2Hb). The former is sometimes called functional oxygen saturation and the later, fractional oxygen saturation

Hemoglobin oxygen saturation = is the amount of oxyhemoglobin expressed as the percent of the hemoglobin able to bind oxygen, i.e. oxyhemoglobin (O2Hb) + deoxyhemoglobin (HHb).
sO2 = 100 x O2Hb/ (O2Hb + HHb)
Fractional oxyhemoglobin = the amount of oxyhemoglobin expressed as a percent of the total hemoglobin, where tHb = O2Hb + HHb + [COHb + MetHb + SulfHb]. Note that COHb, MetHb, and SulfHb, cannot carry oxygen and are thus called dyshemoglobins.
FO2Hb = O2Hb/tHb

Gas machines that can measure carbon monoxide, could, in principle, also report FO2Hb, and we had assumed that they would. However, at least some machines that do measure COHb and MetHb provide no option for reporting FO2Hb, and report only sO2. When mapping blood gas panels that report COHb% and also report FO2Hb, map that term to the LOINC term with the component of "Oxyhemoglobin /Total hemoglobin". If such an instrument reports only "oxygen saturation, verify with the lab that they are really reporting a functional O2 sat and not the Fractional Oxyhemoglobin, because the two are not always correctly labeled. If it is sO2 then map it to the LOINC term with a component of "Oxygen saturation".

When you are mapping data from a simpler Blood gas instrument (one that can read fewer than 4 wave lengths), then the O2 saturation will likely be a sO2. So map also moat that variable to the LOINC with a component of "Oxygen Saturation".

(Source: McD derived from Gill and McD- 2009 09)
Source: Regenstrief LOINC

Panel Hierarchy
Details for each LOINC in Panel LHC-Forms

LOINC Name R/O/C Cardinality Example UCUM Units
24339-4 Gas panel - Venous blood
Indent2746-6 pH of Venous blood R [pH]
Indent39486-6 pH of Venous blood adjusted to patient's actual temperature O [pH]
Indent2021-4 Carbon dioxide [Partial pressure] in Venous blood R mm[Hg]
Indent40619-9 Carbon dioxide [Partial pressure] adjusted to patient's actual temperature in Venous blood O mm[Hg]
Indent2705-2 Oxygen [Partial pressure] in Venous blood R mm[Hg]
Indent19258-3 Oxygen [Partial pressure] adjusted to patient's actual temperature in Venous blood O mm[Hg]
Indent14627-4 Bicarbonate [Moles/volume] in Venous blood O mmol/L
Indent2027-1 Carbon dioxide, total [Moles/volume] in Venous blood C mmol/L
Indent1927-3 Base excess in Venous blood by calculation O mmol/L
Indent1924-0 Base deficit in Venous blood O mmol/L
Indent2711-0 Oxygen saturation in Venous blood C %
Indent51731-8 Oxygen saturation Calculated from oxygen partial pressure in Venous blood C %
Indent30350-3 Hemoglobin [Mass/volume] in Venous blood O g/dL
Indent3150-0 Inhaled oxygen concentration C %
Indent3151-8 Inhaled oxygen flow rate C L/min
Indent8310-5 Body temperature O Cel

Fully-Specified Name

Component
Gas panel
Property
-
Time
Pt
System
BldV
Scale
Qn
Method

Additional Names

Short Name
Gas Pnl BldV
Display Name
Gas panel (BldV)

Basic Attributes

Class
PANEL.CHEM
Type
Laboratory
First Released
Version 1.0o
Last Updated
Version 2.42
Order vs. Observation
Order
Panel Type
Panel

Language Variants Get Info

zh-CNChinese (CHINA)
气体组套:-:时间点:静脉全血:定量型:
nl-NLDutch (NETHERLANDS)
gassen panel:-:moment:veneus bloed:kwantitatief:
et-EEEstonian (ESTONIA)
Happe-aluse tasakaalu uuring:-:Pt:vB:Qn:
fr-BEFrench (BELGIUM)
Gaz sanguins:-:Temps ponctuel:Sang veineux:Quantitatif:
fr-CAFrench (CANADA)
Gaz sanguins:-:Temps ponctuel:Sang veineux:Quantitatif:
fr-FRFrench (FRANCE)
Gaz du sang panel:-:Ponctuel:Sang veineux:Numérique:
de-DEGerman (GERMANY)
Gas-Panel:-:Pkt:BlutV:Qn:
el-GRGreek (GREECE)
Έλεγχος αερίων:-:Χρονική στιγμή:Φλεβικό αίμα:Ποσοτική:
it-ITItalian (ITALY)
Gas, panel:-:Pt:Sangue ven:Qn:
pt-BRPortuguese (BRAZIL)
Gasometria venosa painel:-:Pt:SgVen:Qn:
ru-RURussian (RUSSIAN FEDERATION)
Газы панель:-:ТчкВрм:КрВ:Колич:
es-ARSpanish (ARGENTINA)
pruebas analíticas de gases:-:punto en el tiempo:sangre venosa:cuantitativo:
es-ESSpanish (SPAIN)
Perfil gases:Propiedades mixtas (sólo paneles):Punto temporal:Sangre venosa:Qn:
tr-TRTurkish (TURKEY)
Gaz paneli:-:Zmlı:KanVen:Kant:

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=24339-4